Building scaffolding column extension assembly



FIG. 1 is a rear view of the building scaffolding column extension assembly, particularly illustrating the building scaffolding column extension assembly installed in a building scaffolding construction.

FIG. 2 is a perspective view of the building scaffolding column extension assembly of FIG. 1;

FIG. 3 is a front view of the building scaffolding column extension assembly of FIG. 1;

FIG. 4 is a rear view of the building scaffolding column extension assembly of FIG. 1;

FIG. 5 is a left side view of the building scaffolding column extension assembly of FIG. 1;

FIG. 6 is a right side view of the building scaffolding column extension assembly of FIG. 1;

FIG. 7 is a top view of the building scaffolding column extension assembly of FIG. 1; and,

FIG. 8 is a bottom view of the building scaffolding column extension assembly of FIG. 1.

The broken lines illustrate portions of the design that form no part of the claim. 

CLAIM The ornamental design for a building scaffolding column extension assembly, as shown and described. 